https://www.dictionary.com/browse/sm
Sm definition, samarium. See more. Sadomasochism is a sexual practice involving getting pleasure for causing and experiencing pain and humiliation.The term dates to the early 1900s and shortened forms, including SM and S&M are from the 1960s.. SM is commonly seen in BDSM (Bondage, Discipline or Dominance, Sadism, and Masochism), which involves a wide range of …